Home / 2,851.88-4,276.62-1,208.36

Finding the Fourth Proportional to 2,851.88, 4,276.62 and 1,208.36

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Solution

The fourth proportional to 2,851.88, 4,276.62 and 1,208.36 is: 1,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.88 : 4,276.62 = 1,208.36 : x
  2. Step 2: Convert to fraction form
    2,851.88/4,276.62 = 1,208.36/x
  3. Step 3: Cross multiply
    2,851.88x = 4,276.62 × 1,208.36
  4. Step 4: Simplify right side
    2,851.88x = 5,167,696.54
  5. Step 5: Solve for x
    x = 5,167,696.54/2,851.88
  6. Step 6: Final answer
    x = 1,812.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.